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Table 1 Prevalence of pathogens in ticks from Latvian domestic dogs in years 2011 and 2016

From: Tick-borne pathogens in ticks collected from dogs, Latvia, 2011–2016

  Year 2011 Year 2016
I. ricinus (95% CI) I. persulcatus (95% CI) D. reticulatus (95% CI) Total (95% CI) I. ricinus (95% CI) I. persulcatus (95% CI) D. reticulatus (95% CI) Total (95% CI) P value†
Ticks analysed 221 22 0 243 360 2 27 389  
Pathogen-positive ticks* 38.4 (32.29–45.02) 9.0 (1.34–29) 35.8 (30.03–42.01) 41.7 (36.69–46.82) 0 (0–70.98) 18.5 (7.72–37.16) 40.0 (35.10–44.79) 0.3144
B. burgdorferi s.l. group 14.0 (10.02–19.26) 0 (0–17.55) 12.8 (9.1–17.58) 8.6 (6.1–12) 0 (0–70.98) 0 (0–14.76) 8.0 (5.64–11.12) 0.0547
B. miyamotoi 0.5 (0.01–2.78) 0 (0–17.55) 0.4 (0.01–2.53) 1.4 (0.5–3.31) 0 (0–70.98) 0 (0–14.76) 1.3 (0.46–3.06) 0.4143
A. phagocytophilum 4.5 (2.37–8.23) 0 (0–17.55) 4.1 (2.15–7.5) 6.9 (4.71–10.09) 0 (0–70.98) 0 (0–14.76) 6.4 (4.35–9.35) 0.2835
Babesia 2.7 (1.11–5.93) 0 (0–17.55) 2.5 (1.01–5.41) 4.7 (2.92–7.48) 0 (0–70.98) 14.8 (5.3–33.1) 5.4 (3.52–8.15) 0.1044
Rickettsia 22.2 (17.18–28.12) 9.0 (1.34–29) 20.1 (16.32–26.56) 25.6 (21.32–30.31) 0 (0–70.98) 11.1 (3.03–28.88) 24.4 (20.41–28.93) 0.3335
Coinfections‡ 10.0 (6.61–14.67) 0 (0–17.55) 9.1 (6–13.38) 6.7 (4.48–9.77) 0 (0–70.98) 7.4 (0.96–24.47) 6.7 (4.57–9.65) 0.2833
  1. * Including coinfections
  2. P value was calculated for the total numbers, to compare the pathogen prevalence in years 2011 and 2016
  3. ‡ Including mixed Borrelia infections